RINNAI LOWER COSTS AND ENVIRONMENTAL IMPACT FOR EXPANDING LAUNDERETTE GROUP

Rinnai has recently provided a high efficiency water heating solution to a South Wales launderette which needed to replace its old gas boiler as the property wanted to lower operational costs and drive down emissions.

The new owner wants to install new coin-activated washing machines and increase its capacity for more customers. The increase in customers would logically mean an increase in peak demand loading for the hot water delivery system.

The launderette has planned to have 10 washing machines in total but with 2 different models differing in size and hot water consumption.

The site currently employs a low Kw rating gas boiler with 144 liters of built-in internal storage. The current system is only capable of providing 154 liters of peak demand. The new additions of coin-operated washing machines see peak demand increase the loading of hot water delivery to a requirement of 276 liters

The new hot water delivery system needed to reach 276 liters on demand and be able to recover from peak demand conditions within 40 minutes – the average cycle of a coin operated commercial washing machine.

With a peak demand of 276L already determined, Rinnai UK was able to propose a system consisting of an N1300 continuous flow water heater with an additional 300L storage buffer to hold the peak demand for the washing machines. This system can recover the entire buffer in as little as 23 minutes, meaning this system is also able to cope with any further expansion by the customer as the buffer exceeds the peak demand.

Rinnai can demonstrate the benefits of the N1300 system with the graphs below. One highlights the reduction of harmful emissions whilst the other graph proves the financial benefits of purchasing a Rinnai N1300 system. Both graphs measure the benefits over a 5-year period.

The first graph details how much less emissions are released by the Rinnai N1300 system when compared to the currently installed system. Over five years Rinnai’s N1300 offers a 17% decrease in costs.

DHW System – Carbon Emissions Lifecycle

The Graph below illustrates the difference over 5 years when comparing Rinnai’s N1300 to the currently installed system in terms of OPEX costs (cumulative running costs). The Rinnai N1300 will require £13,543.81, whilst the competitor system will cost £16,281.39. This means Rinnai can reduce 5-year operating costs by 17%.

DHW System – Cumulative Running Costs (OPEX)

Gas – Prices & Carbon Factor

These are the forecasted gas prices as provided by the Department for Energy Security and Net Zero.

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Rinnai will continue to provide low cost, feasible and technical solutions for any commercial premises aiming to maximise daily operations. Rinnai technology is designed to produce total system efficiency meaning that commercial operators can rely on Rinnai systems to elevate operational output at a reduced cost.

RINNAI OFFERS CLEAR PATHWAYS TO LOWER CARBON & DECARBONISATION

PLUS CUSTOMER COST REDUCTIONS FOR COMMERCIAL, DOMESTIC &

OFF-GRID HEATING & HOT WATER DELIVERY

• Rinnai’s range of decarbonising products – H1/H2/H3 – consists of hot water heating units in gas/BioLPG/DME, hydrogen ready units, electric instantaneous hot water heaters, electric storage cylinders and buffer vessels, a comprehensive range of heat pumps, solar, hydrogen-ready or natural gas in any configuration of hybrid formats for either residential or commercial applications. Rinnai’s H1/2/3 range of products and systems offer contractors, consultants and end users a range of efficient, robust and affordable low carbon/decarbonising appliances which create practical, economic and technically feasible solutions.
• Rinnai is a world leading manufacturer of hot water heaters and produces over two million units a year, operating on each of the five continents. The brand has gained an established reputation for producing products that offer high performance, cost efficiency and extended working lives.
• Rinnai products are UKCA certified, A-rated water efficiency, accessed through multiple fuel options and are available for purchase 24/7, 365 days a year. Any unit can be delivered to any UK site within 24 hours.
• Rinnai offer carbon and cost comparison services that will calculate financial and carbon savings made when investing in a Rinnai system. Rinnai also provide a system design service that will suggest an appropriate system for the property in question.
• Rinnai offer comprehensive training courses and technical support in all aspects of the water heating industry including detailed CPD’s.
• The Rinnai range covers all forms of fuels and appliances currently available – electric, gas, hydrogen, BioLPG, DME solar thermal, low GWP heat pumps and electric water heaters More information can be found on Rinnai’s website and its “Help Me Choose” webpage.

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